Back cover for a handset



FIG. 1 is a front perspective view of a back cover for a handset showingmy new design;

FIG. 2 is a front view thereof;

FIG. 3 is a right side view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a bottom view thereof; and,

FIG. 6 is a top view thereof.

The broken line showing of of the remainder of the handset is forillustrative purposes only and forms no part of the claimed design.

The ornamental design for a back cover for a handset, as shown anddescribed.